XSS in October Cms
CVE-2020-4061
In October from version 1.0.319 and before version 1.0.467, pasting content copied from malicious websites into the Froala richeditor could result in a successful self-XSS attack. This has been fixed in 1.0.467.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.008 (55.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- October Cms — versions >= 1.0.319, < 1.0.467
- Octobercms October
Weakness classification (CWE)
References
- github.com/octobercms/october/security/advisories/GHSA-3pc2-fm7p-q2vg (Third Party Advisory)
- github.com/octobercms/october/commit/b384954a29b89117e1c0d6035b3ede4f46df67c5 (Patch, Third Party Advisory)
- research.securitum.com/the-curious-case-of-copy-paste/ (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-4061?
- CVE-2020-4061 is a low-severity vulnerability in October Cms, classified under Cross-site Scripting. CVSS score: 3.7/10. Published 2020-07-02.
- How severe is CVE-2020-4061?
- Low severity. CVSS v3 base score is 3.7 out of 10.